Frode Nordahl
237 lines
8.8 KiB
Python
237 lines
8.8 KiB
Python
# Copyright 2018 Canonical Ltd.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Encapsulate octavia testing."""
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import logging
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import subprocess
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import tenacity
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import zaza.openstack.charm_tests.test_utils as test_utils
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import zaza.openstack.utilities.openstack as openstack_utils
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class CharmOperationTest(test_utils.OpenStackBaseTest):
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"""Charm operation tests."""
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@classmethod
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def setUpClass(cls):
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"""Run class setup for running Octavia charm operation tests."""
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super(CharmOperationTest, cls).setUpClass()
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def test_pause_resume(self):
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"""Run pause and resume tests.
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Pause service and check services are stopped, then resume and check
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they are started.
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"""
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self.pause_resume(['apache2'])
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class LBAASv2Test(test_utils.OpenStackBaseTest):
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"""LBaaSv2 service tests."""
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@classmethod
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def setUpClass(cls):
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"""Run class setup for running LBaaSv2 service tests."""
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super(LBAASv2Test, cls).setUpClass()
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@staticmethod
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@tenacity.retry(wait=tenacity.wait_fixed(1),
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reraise=True, stop=tenacity.stop_after_delay(900))
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def wait_for_lb_resource(octavia_show_func, resource_id,
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operating_status=None):
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"""Wait for loadbalancer resource to reach expected status."""
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resp = octavia_show_func(resource_id)
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logging.info(resp['provisioning_status'])
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assert resp['provisioning_status'] == 'ACTIVE', (
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'load balancer resource has not reached '
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'expected provisioning status: {}'
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.format(resp))
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if operating_status:
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logging.info(resp['operating_status'])
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assert resp['operating_status'] == operating_status, (
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'load balancer resource has not reached '
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'expected operating status: {}'.format(resp))
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return resp
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@staticmethod
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def get_lb_providers(octavia_client):
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"""Retrieve loadbalancer providers.
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:param octavia_client: Octavia client object
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:type octavia_client: OctaviaAPI
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:returns: Dictionary with provider information, name as keys
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:rtype: Dict[str,Dict[str,str]]
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"""
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providers = {
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provider['name']: provider
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for provider in octavia_client.provider_list().get('providers', [])
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if provider['name'] != 'octavia' # alias for `amphora`, skip
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}
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return providers
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def _create_lb_resources(self, octavia_client, provider, vip_subnet_id,
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member_subnet_id, payload_ips):
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# The `amphora` provider is required for load balancing based on
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# higher layer protocols
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if provider == 'amphora':
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protocol = 'HTTP'
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algorithm = 'ROUND_ROBIN'
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monitor = True
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else:
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protocol = 'TCP'
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algorithm = 'SOURCE_IP_PORT'
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monitor = False
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result = octavia_client.load_balancer_create(
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json={
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'loadbalancer': {
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'description': 'Created by Zaza',
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'admin_state_up': True,
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'vip_subnet_id': vip_subnet_id,
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'name': 'zaza-{}-0'.format(provider),
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'provider': provider,
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}})
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lb = result['loadbalancer']
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lb_id = lb['id']
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logging.info('Awaiting loadbalancer to reach provisioning_status '
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'"ACTIVE"')
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resp = self.wait_for_lb_resource(
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octavia_client.load_balancer_show, lb_id)
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logging.info(resp)
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result = octavia_client.listener_create(
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json={
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'listener': {
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'loadbalancer_id': lb_id,
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'name': 'listener1',
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'protocol': protocol,
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'protocol_port': 80
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},
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})
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listener_id = result['listener']['id']
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logging.info('Awaiting listener to reach provisioning_status '
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'"ACTIVE"')
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resp = self.wait_for_lb_resource(
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octavia_client.listener_show, listener_id)
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logging.info(resp)
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result = octavia_client.pool_create(
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json={
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'pool': {
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'listener_id': listener_id,
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'name': 'pool1',
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'lb_algorithm': algorithm,
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'protocol': protocol,
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},
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})
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pool_id = result['pool']['id']
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logging.info('Awaiting pool to reach provisioning_status '
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'"ACTIVE"')
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resp = self.wait_for_lb_resource(octavia_client.pool_show, pool_id)
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logging.info(resp)
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if monitor:
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result = octavia_client.health_monitor_create(
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json={
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'healthmonitor': {
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'pool_id': pool_id,
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'delay': 5,
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'max_retries': 4,
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'timeout': 10,
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'type': 'HTTP',
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'url_path': '/',
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},
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})
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healthmonitor_id = result['healthmonitor']['id']
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logging.info('Awaiting healthmonitor to reach provisioning_status '
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'"ACTIVE"')
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resp = self.wait_for_lb_resource(
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octavia_client.health_monitor_show,
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healthmonitor_id)
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logging.info(resp)
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for ip in payload_ips:
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result = octavia_client.member_create(
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pool_id=pool_id,
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json={
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'member': {
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'subnet_id': member_subnet_id,
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'address': ip,
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'protocol_port': 80,
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},
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})
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member_id = result['member']['id']
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logging.info('Awaiting member to reach provisioning_status '
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'"ACTIVE"')
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resp = self.wait_for_lb_resource(
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lambda x: octavia_client.member_show(
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pool_id=pool_id, member_id=x),
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member_id,
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operating_status='ONLINE' if monitor else '')
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logging.info(resp)
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return lb
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@staticmethod
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@tenacity.retry(wait=tenacity.wait_fixed(1),
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reraise=True, stop=tenacity.stop_after_delay(900))
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def _get_payload(ip):
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return subprocess.check_output(
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['wget', '-O', '-',
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'http://{}/'.format(ip)],
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universal_newlines=True)
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def test_create_loadbalancer(self):
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"""Create load balancer."""
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keystone_session = openstack_utils.get_overcloud_keystone_session()
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neutron_client = openstack_utils.get_neutron_session_client(
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keystone_session)
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nova_client = openstack_utils.get_nova_session_client(
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keystone_session)
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# Get IP of the prepared payload instances
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payload_ips = []
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for server in nova_client.servers.list():
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payload_ips.append(server.networks['private'][0])
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self.assertTrue(len(payload_ips) > 0)
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resp = neutron_client.list_networks(name='private')
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subnet_id = resp['networks'][0]['subnets'][0]
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if openstack_utils.dvr_enabled():
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resp = neutron_client.list_networks(name='private_lb_fip_network')
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vip_subnet_id = resp['networks'][0]['subnets'][0]
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else:
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vip_subnet_id = subnet_id
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octavia_client = openstack_utils.get_octavia_session_client(
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keystone_session)
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for provider in self.get_lb_providers(octavia_client).keys():
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logging.info('Creating loadbalancer with provider {}'
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.format(provider))
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lb = self._create_lb_resources(octavia_client, provider,
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vip_subnet_id, subnet_id,
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payload_ips)
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lb_fp = openstack_utils.create_floating_ip(
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neutron_client, 'ext_net', port={'id': lb['vip_port_id']})
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snippet = 'This is the default welcome page'
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assert snippet in self._get_payload(lb_fp['floating_ip_address'])
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logging.info('Found "{}" in page retrieved through load balancer '
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' (provider="{}") at "http://{}/"'
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.format(snippet, provider,
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lb_fp['floating_ip_address']))
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